Pith Number

pith:WYWUHG3E

pith:2000:WYWUHG3EGKBBTSPXGRYY74YZ3C

not attested not anchored not stored refs pending

Broad-band X-ray spectra of the persistent black hole candidates LMC X-1 and LMC X-3

A. Corongiu, A. Treves, D. Dal Fiume, E. Kuulkers, F. Frontera, F. Haardt, L. Chiappetti, L.Stella, M.R. Galli, T. Belloni

arxiv:astro-ph/0009231 v1 · 2000-09-14 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYWUHG3EGKBBTSPXGRYY74YZ3C}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:17:09.642263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b62d439b64328219c9f734718ff319d88723ce03273ed78347b654a66e1d543d

Aliases

arxiv: astro-ph/0009231 · arxiv_version: astro-ph/0009231v1 · doi: 10.48550/arxiv.astro-ph/0009231 · pith_short_12: WYWUHG3EGKBB · pith_short_16: WYWUHG3EGKBBTSPX · pith_short_8: WYWUHG3E

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WYWUHG3EGKBBTSPXGRYY74YZ3C \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b62d439b64328219c9f734718ff319d88723ce03273ed78347b654a66e1d543d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7502c623a3bffc10a8f5978fcc110217a3661ac67e7f2ef918cc504d4168d952",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-14T16:47:59Z",
    "title_canon_sha256": "ee8cf8b331b0cacfa20d8e28e94cde87b5da78147f23073ce41ddd0e76f8d478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009231",
    "kind": "arxiv",
    "version": 1
  }
}